APA (7th ed.) Citation

Sorenson, J. E. (1964). Synoptic patterns for clear air turbulence. United Air Lines.

Chicago Style (17th ed.) Citation

Sorenson, John E. Synoptic Patterns for Clear Air Turbulence. Chicago: United Air Lines, 1964.

MLA (9th ed.) Citation

Sorenson, John E. Synoptic Patterns for Clear Air Turbulence. United Air Lines, 1964.